© Edwards Limited 2013. All rights reserved. Page iii
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
B800-00-880 Issue D
5.4 Clean the external surfaces of the pump ........................................................................... 67
5.5 Fault finding .............................................................................................................68
5.5.1 Flashing service codes .................................................................................................71
5.5.2 Decoding service status words ........................................................................................71
5.5.3 Controller run time .....................................................................................................72
5.5.4 Pump run time ..........................................................................................................72
5.5.5 Pump cycles .............................................................................................................72
5.5.6 Bearing run time ........................................................................................................73
5.5.7 Oil cartridge run time ..................................................................................................73
5.5.8 Flashing error codes ....................................................................................................73
5.5.9 Decoding system status words ........................................................................................74
5.5.10 Useful service information ............................................................................................76
6 Storage and disposal ........................................................................... 77
6.1 Storage ...................................................................................................................77
6.2 Disposal ................................................................................................................... 77
7 Service, spares and accessories .............................................................. 79
7.1 Introduction .............................................................................................................79
7.2 Service .................................................................................................................... 79
7.2.1 Returning a pump for service .........................................................................................79
7.2.2 Bearing and oil cartridge on-site maintenance ....................................................................79
7.3 Spares ..................................................................................................................... 80
7.3.1 ISX inlet screen ..........................................................................................................80
7.3.2 Inlet strainer ............................................................................................................. 80
7.3.3 Inlet-flange seals and integrated inlet screens ....................................................................80
7.3.4 NW16 and NW25 Ports .................................................................................................81
7.4 Accessories ...............................................................................................................81
7.4.1 Installation ...............................................................................................................81
7.4.2 ACX air cooler ...........................................................................................................81
7.4.3 WCX water cooler .......................................................................................................81
7.4.4 BX bakeout band ........................................................................................................82
7.4.5 TAV vent valve and vent port adaptor ...............................................................................82
7.4.6 VRX vent restrictor .....................................................................................................82
7.4.7 Vent port adaptor .......................................................................................................83
7.4.8 PRX purge restrictor ....................................................................................................83
7.4.9 C-Clamp Adaptor Kit ...................................................................................................83
7.4.10 Interface Cable ..........................................................................................................83
7.4.11 TIC PC Program .......................................................................................................... 83
Index .............................................................................................. 87
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 nEXT240 performance curve ..........................................................................................14
2 nEXT300 performance curve ..........................................................................................14
3 nEXT400 performance curve ..........................................................................................15
4 nEXT 240 dimensions (mm) ............................................................................................16
5 nEXT 300 dimensions (mm) ............................................................................................18
6 nEXT 400 dimensions (mm) ............................................................................................20
7 Max allowed rate of pressure rise during venting: pressure against time (pump initially at full speed) ..22
8 Interface circuits for nEXT turbo pump controllers ...............................................................26
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